\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Switching Vote, IV - RTI, US \label {tab:rtilong2}}
\begin{tabular}{l*{4}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                &\multicolumn{1}{c}{+Demographic}&\multicolumn{1}{c}{+Offshoring}&\multicolumn{1}{c}{+Skill}&\multicolumn{1}{c}{All}\\
\hline
Switching broad &                  &                  &                  &                  \\
RTI             &    0.243\sym{*}  &    0.376\sym{**} &    0.371\sym{**} &    0.396\sym{**} \\
                &  (0.125)         &  (0.146)         &  (0.146)         &  (0.171)         \\
Female          &   -0.453         &   -0.475         &   -0.448         &   -0.632\sym{**} \\
                &  (0.292)         &  (0.292)         &  (0.293)         &  (0.299)         \\
Age             &    0.040\sym{***}&    0.046\sym{***}&    0.046\sym{***}&    0.042\sym{***}\\
                &  (0.009)         &  (0.009)         &  (0.009)         &  (0.009)         \\
Foreign born    &   -1.982\sym{***}&   -1.898\sym{***}&   -1.873\sym{***}&   -1.925\sym{***}\\
                &  (0.564)         &  (0.581)         &  (0.578)         &  (0.657)         \\
Education       &   -0.047         &   -0.026         &   -0.025         &   -0.045         \\
                &  (0.054)         &  (0.059)         &  (0.059)         &  (0.061)         \\
Offshorability  &                  &   -0.586\sym{**} &   -0.588\sym{**} &   -0.638\sym{*}  \\
                &                  &  (0.295)         &  (0.295)         &  (0.341)         \\
Skill-Specificity&                  &                  &    0.023         &    0.039         \\
                &                  &                  &  (0.031)         &  (0.035)         \\
Task-Tech       &                  &                  &                  &   -0.220         \\
                &                  &                  &                  &  (0.410)         \\
Task-Inter      &                  &                  &                  &    0.105         \\
                &                  &                  &                  &  (0.427)         \\
Unemployed      &                  &                  &                  &   -0.865         \\
                &                  &                  &                  &  (0.900)         \\
Black           &                  &                  &                  &   -3.767\sym{***}\\
                &                  &                  &                  &  (1.070)         \\
Non-Believer    &                  &                  &                  &   -2.021\sym{***}\\
                &                  &                  &                  &  (0.510)         \\
Income          &      Yes         &      Yes         &      Yes         &      Yes         \\
Regional controls &       No         &      Yes         &      Yes         &      Yes         \\
\hline
Observations    &      704         &      704         &      704         &      704         \\
R$^2 p$         &    0.100         &    0.158         &    0.159         &    0.268         \\
AIC             &  583.652         &  565.677         &  567.117         &  509.700         \\
\hline\hline
\multicolumn{5}{l}{\footnotesize Standard errors in parentheses}\\
\multicolumn{5}{l}{\footnotesize \sym{*} \(p<0.1\), \sym{**} \(p<0.05\), \sym{***} \(p<0.01\)}\\
\end{tabular}
\end{table}
